javauis/mmapi_qt/baseline/src/tempocontrol.cpp
changeset 23 98ccebc37403
child 26 dc7c549001d5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/src/tempocontrol.cpp	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,140 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  This class has JNI wrappers for CMMATempoControl
+*
+*/
+
+//#include <jutils.h>
+//#include "mmapiutils.h"
+
+#include "com_nokia_microedition_media_control_TempoControl.h"
+#include "mmafunctionserver.h"
+#include "cmmamiditempocontrol.h"
+#include <logger.h>
+
+//
+// Wrapper functions which are needed in event source execution.
+// If method to be called can leave ExecuteTrap must be used,
+// otherwise Execute and ExecuteV can be used.
+//
+//
+
+/**
+ * Local function which can be used to call CMMATempoControl class methods.
+ * Type of of the function pointer must be
+ * TInt CMMATempoControl::aFunc( TInt aData )
+ *
+ * @param aTempoControl CMMATempoControl pointer.
+ * @param aFunc Pointer to the CMMATempoControl method.
+ * @param aData Parameter to passed to the aFunc method
+ * @param aReturnValue The return value of the aFunc will
+ *                     be assigned to this parameter.
+ */
+LOCAL_C void ReturnIntParamIntFuncL(CMMAMIDITempoControl* aTempoControl,
+                                    TInt(CMMAMIDITempoControl::*aFuncL)(TInt),
+                                    TInt aData,
+                                    TInt* aReturnValue)
+{
+    // call TInt CMMATempoControl::aFunc( TInt aData ) method.
+    *aReturnValue = (aTempoControl->*aFuncL)(aData);
+}
+
+/**
+ * Local function which can be used to call CMMATempoControl class methods.
+ * Type of of the function pointer must be
+ * TInt CMMATempoControl::aFunc()
+ *
+ * @param aTempoControl CMMATempoControl pointer.
+ * @param aFunc Pointer to the CMMATempoControl method.
+ * @param aReturnValue The return value of the aFunc will
+ *                     be assigned to this parameter.
+ */
+LOCAL_C void ReturnIntFuncL(CMMAMIDITempoControl* aTempoControl,
+                            TInt(CMMAMIDITempoControl::*aFuncL)(),
+                            TInt* aReturnValue)
+{
+    // call TInt CMMATempoControl::aFunc() method.
+    *aReturnValue = (aTempoControl->*aFuncL)();
+}
+
+//
+// JNI functions. Prototypes are generated and commented in Java class
+// com_nokia_microedition_media_control_TempoControl
+//
+
+/**
+ * JNI function from com.nokia.microedition.media.control.TempoControl
+ */
+JNIEXPORT jint JNICALL
+Java_com_nokia_microedition_media_control_TempoControl__1setTempo
+(JNIEnv*,
+ jobject,
+ jint aControlHandle,
+ jint aEventSourceHandle,
+ jint aTempo)  // parameter boundary is checked in Java side.
+{
+    // Get pointer to native event source.
+    MMAFunctionServer* eventSource =
+        reinterpret_cast< MMAFunctionServer* >(aEventSourceHandle);
+
+    CMMAMIDITempoControl* tempoControl =
+        reinterpret_cast< CMMAMIDITempoControl* >(aControlHandle);
+
+    // Value returned from SetTempo method will be assigned to returnValue.
+    TInt returnValue = 0;
+
+    // Setting tempo will not leave, it just assigns default
+    // value to the returnValue variable.
+    TInt error;
+    error = eventSource->ExecuteTrap(&ReturnIntParamIntFuncL,
+                                     tempoControl,
+                                     &CMMAMIDITempoControl::SetTempoL,
+                                     aTempo,
+                                     &returnValue);
+
+    LOG1( EJavaMMAPI, EInfo, "TempoControl__1setTempo return value %d", returnValue);
+
+    return (error == KErrNone) ? returnValue : error;
+}
+
+/**
+ * JNI function from com.nokia.microedition.media.control.TempoControl
+ */
+JNIEXPORT jint JNICALL
+Java_com_nokia_microedition_media_control_TempoControl__1getTempo
+(JNIEnv*,
+ jobject,
+ jint aControlHandle,
+ jint aEventSourceHandle)
+{
+    // Get pointer to native event source.
+    MMAFunctionServer* eventSource =
+        reinterpret_cast< MMAFunctionServer *>(aEventSourceHandle);
+
+    CMMAMIDITempoControl* tempoControl =
+        reinterpret_cast< CMMAMIDITempoControl* >(aControlHandle);
+
+    TInt returnValue = 0;
+    TInt error;
+
+    error = eventSource->ExecuteTrap(&ReturnIntFuncL,
+                                     tempoControl,
+                                     &CMMAMIDITempoControl::TempoL,
+                                     &returnValue);
+
+    LOG1( EJavaMMAPI, EInfo, "TempoControl__1getTempo return value %d", returnValue);
+
+    return (error == KErrNone) ? returnValue : error;
+}
+//  END OF FILE